found: Wallace, S. Kabbalah [SR] p1991:insert (Robert Osborne, bass)
found: Cipullo, Tom. Landscape with figures, 2009:container (Robert Osborne, baritone [sic]) insert (bass-baritone; D.M.A., Yale University; on the faculties of Vassar and Barnard Colleges)
found: Robert Osborne WWW site, July 3, 2017(Robert Osborne, bass-baritone; lives in New York, New York; repertoire list includes some bass roles)
found: Vassar College, Music Department WWW site, July 3, 2017(Robert Osborne, bass-baritone; currently a member of the faculties of Vassar College, Columbia University/Barnard College, and Nassau Community College)
found: LinkedIn, July 3, 2017(Robert Osborne; bass-baritone; lecturer in music, adjunct professor, Vassar College, Barnard College/Columbia University, September 1997-present; B.A., religion/religious studies, Wesleyan University, 1972-1976; D.M.A., M.M.A., M.A., music performance, Yale University, 1983-1988)
notfound: Int. ww in classical mus., 31st ed.